-51.2% is the change from 918 to 448
Calculation steps:
[( 448 - 918 ) ÷ 918] x 100 = -51.2%
Formula
Percentage change = [(448 - 918) / 918] x 100
Subtract the new number by the original number
448 - 918 = -470
-470 ÷ 918 = -0.5119825708061002
-0.5119825708061002 x 100 = -51.2%